Fix CVE(s): CVE-2026-55693, CVE-2026-57455, CVE-2026-57456
* SECURITY UPDATE: Out-of-bounds write in tree_count_words() in src/spellfile.c when a crafted .spl/.sug spell-file pair loaded during spell suggestion drives the word-trie descent past the end of the MAXWLEN-sized arridx, curi and wordcount stack arrays - debian/patches/CVE-2026-55693.patch: bound the descent in tree_count_words() and sug_filltree() with depth < MAXWLEN - 1, matching the sibling trie walkers, so the depth index can no longer run past the fixed MAXWLEN-sized arrays - CVE-2026-55693 * SECURITY UPDATE: Out-of-bounds write in spell_soundfold_sofo() in src/spell.c when a word longer than MAXWLEN is sound-folded through a spell file's SOFO byte map while a SOFO-based spell language is active, writing past the end of the caller's MAXWLEN-sized result buffer - debian/patches/CVE-2026-57455.patch: bound the single-byte SOFO translation loop in spell_soundfold_sofo() with ri < MAXWLEN - 1 so the output index can no longer run past the fixed MAXWLEN-sized result buffer - CVE-2026-57455 * SECURITY UPDATE: Code execution via Python omni-completion inserting buffer-derived docstrings verbatim between triple quotes in the reconstructed source run through exec(), letting a crafted docstring break out of the triple-quoted literal and execute attacker-controlled code - debian/patches/CVE-2026-57456.patch: use repr() to quote docstrings in the Scope, Class, and Function get_code() methods of python3complete and pythoncomplete so docstring text can no longer break out of the ge
- Products
- vim, vim-athena, vim-common, vim-doc, vim-gtk, vim-gtk3, vim-gui-common, vim-nox, vim-runtime, vim-tiny, xxd
- Affected versions
- Not specified
- Fixed versions
- 2:8.1.0875-5+deb10u6+tuxcare.els23
- CVEs
- CVE-2026-55693, CVE-2026-57455, CVE-2026-57456
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:17 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2026-55693, CVE-2026-57455, CVE-2026-57456
core-osv · Original sourcePublished 1 Jul 2026, 08:58 UTC
* SECURITY UPDATE: Out-of-bounds write in tree_count_words() in src/spellfile.c when a crafted .spl/.sug spell-file pair loaded during spell suggestion drives the word-trie descent past the end of the MAXWLEN-sized arridx, curi and wordcount stack arrays - debian/patches/CVE-2026-55693.patch: bound the descent in tree_count_words() and sug_filltree() with depth < MAXWLEN - 1, matching the sibling trie walkers, so the depth index can no longer run past the fixed MAXWLEN-sized arrays - CVE-2026-55693 * SECURITY UPDATE: Out-of-bounds write in spell_soundfold_sofo() in src/spell.c when a word longer than MAXWLEN is sound-folded through a spell file's SOFO byte map while a SOFO-based spell language is active, writing past the end of the caller's MAXWLEN-sized result buffer - debian/patches/CVE-2026-57455.patch: bound the single-byte SOFO translation loop in spell_soundfold_sofo() with ri < MAXWLEN - 1 so the output index can no longer run past the fixed MAXWLEN-sized result buffer - CVE-2026-57455 * SECURITY UPDATE: Code execution via Python omni-completion inserting buffer-derived docstrings verbatim between triple quotes in the reconstructed source run through exec(), letting a crafted docstring break out of the triple-quoted literal and execute attacker-controlled code - debian/patches/CVE-2026-57456.patch: use repr() to quote docstrings in the Scope, Class, and Function get_code() methods of python3complete and pythoncomplete so docstring text can no longer break out of the ge
osv:CLSA-2026-1782896270
vim
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-athena
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-common
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-doc
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-gtk
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-gtk3
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-gui-common
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-nox
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-runtime
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
vim-tiny
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
xxd
Fixed versions: 2:8.1.0875-5+deb10u6+tuxcare.els23
Complete source record
{
"id": "5c40dbf12771a3e4a86d411ce0a0b87cfa267826a902da46fcca8ac27c7bca06",
"url": "https://osv.dev/vulnerability/CLSA-2026-1782896270",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2026-55693, CVE-2026-57455, CVE-2026-57456",
"summary": "* SECURITY UPDATE: Out-of-bounds write in tree_count_words() in src/spellfile.c when a crafted .spl/.sug spell-file pair loaded during spell suggestion drives the word-trie descent past the end of the MAXWLEN-sized arridx, curi and wordcount stack arrays - debian/patches/CVE-2026-55693.patch: bound the descent in tree_count_words() and sug_filltree() with depth < MAXWLEN - 1, matching the sibling trie walkers, so the depth index can no longer run past the fixed MAXWLEN-sized arrays - CVE-2026-55693 * SECURITY UPDATE: Out-of-bounds write in spell_soundfold_sofo() in src/spell.c when a word longer than MAXWLEN is sound-folded through a spell file's SOFO byte map while a SOFO-based spell language is active, writing past the end of the caller's MAXWLEN-sized result buffer - debian/patches/CVE-2026-57455.patch: bound the single-byte SOFO translation loop in spell_soundfold_sofo() with ri < MAXWLEN - 1 so the output index can no longer run past the fixed MAXWLEN-sized result buffer - CVE-2026-57455 * SECURITY UPDATE: Code execution via Python omni-completion inserting buffer-derived docstrings verbatim between triple quotes in the reconstructed source run through exec(), letting a crafted docstring break out of the triple-quoted literal and execute attacker-controlled code - debian/patches/CVE-2026-57456.patch: use repr() to quote docstrings in the Scope, Class, and Function get_code() methods of python3complete and pythoncomplete so docstring text can no longer break out of the ge",
"evidence": "osv:CLSA-2026-1782896270",
"products": [
{
"name": {
"value": "vim",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
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{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-athena",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-common",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-doc",
"evidence": "/affected/3/package/name"
},
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{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-gtk",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-gtk3",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-gui-common",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-nox",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-runtime",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vim-tiny",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/9/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "xxd",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2:8.1.0875-5+deb10u6+tuxcare.els23",
"evidence": "/affected/10/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1782896270",
"aliases": [
"CLSA-2026-1782896270"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.1.0875-5+deb10u6+tuxcare.els23"
}
]
}
],
"package": {
"name": "vim",
"purl": "pkg:deb/tuxcare/vim?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2:8.1.0875-5+deb10u6+tuxcare.els23"
}
]
}
],
"package": {
"name": "vim-athena",
"purl": "pkg:deb/tuxcare/vim-athena?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "vim-common",
"purl": "pkg:deb/tuxcare/vim-common?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "2:8.1.0875-5+deb10u6+tuxcare.els23"
}
]
}
],
"package": {
"name": "vim-doc",
"purl": "pkg:deb/tuxcare/vim-doc?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
"ranges": [
{
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{
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},
{
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}
]
}
],
"package": {
"name": "vim-gtk",
"purl": "pkg:deb/tuxcare/vim-gtk?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
"ranges": [
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}
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],
"package": {
"name": "vim-gtk3",
"purl": "pkg:deb/tuxcare/vim-gtk3?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
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},
{
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],
"package": {
"name": "vim-gui-common",
"purl": "pkg:deb/tuxcare/vim-gui-common?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
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],
"package": {
"name": "vim-nox",
"purl": "pkg:deb/tuxcare/vim-nox?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
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],
"package": {
"name": "vim-runtime",
"purl": "pkg:deb/tuxcare/vim-runtime?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
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}
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],
"package": {
"name": "vim-tiny",
"purl": "pkg:deb/tuxcare/vim-tiny?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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},
{
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}
]
}
],
"package": {
"name": "xxd",
"purl": "pkg:deb/tuxcare/xxd?distro=debian-10",
"ecosystem": "TuxCare:Debian:10"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/debian10els/CLSA-2026-1782896270.json"
}
}
],
"modified": "2026-10-26T09:31:52.116861802Z",
"provider": "osv",
"upstream": [
"CVE-2026-55693",
"CVE-2026-57455",
"CVE-2026-57456"
],
"references": [
"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1782896270.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-55693",
"https://nvd.nist.gov/vuln/detail/CVE-2026-57455",
"https://nvd.nist.gov/vuln/detail/CVE-2026-57456"
]
},
"related_cves": [
{
"value": "CVE-2026-55693",
"evidence": "/upstream"
},
{
"value": "CVE-2026-57455",
"evidence": "/upstream"
},
{
"value": "CVE-2026-57456",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448748,
"published_at": "2026-07-01T08:58:09+00:00"
}